./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_3+newton_2_4.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_2_4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1d3494a64b97ff198f649db9990f4b24e7ade2324c824b5bf3f291e4c895b3e7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:57:48,227 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:57:48,358 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 16:57:48,370 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:57:48,371 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:57:48,416 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:57:48,417 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:57:48,417 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:57:48,418 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:57:48,418 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:57:48,418 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:57:48,418 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:57:48,418 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:57:48,419 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:57:48,419 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:57:48,419 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:57:48,419 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:57:48,419 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:57:48,419 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:57:48,419 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:57:48,422 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:57:48,422 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:57:48,422 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:57:48,423 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:57:48,423 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:57:48,423 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:57:48,423 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:57:48,423 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:57:48,424 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:57:48,424 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:57:48,424 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:57:48,425 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:57:48,425 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:57:48,425 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d3494a64b97ff198f649db9990f4b24e7ade2324c824b5bf3f291e4c895b3e7 [2024-11-13 16:57:48,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:57:48,797 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:57:48,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:57:48,802 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:57:48,805 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:57:48,807 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/combinations/gcd_3+newton_2_4.i Unable to find full path for "g++" [2024-11-13 16:57:51,090 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:57:51,399 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:57:51,400 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/sv-benchmarks/c/combinations/gcd_3+newton_2_4.i [2024-11-13 16:57:51,415 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/data/b267a2805/64750cd9dc9d4d90a742f8a5aaab85f1/FLAGe62019382 [2024-11-13 16:57:51,468 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/data/b267a2805/64750cd9dc9d4d90a742f8a5aaab85f1 [2024-11-13 16:57:51,474 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:57:51,496 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:57:51,498 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:57:51,502 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:57:51,516 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:57:51,517 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:57:51" (1/1) ... [2024-11-13 16:57:51,518 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bcb96aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:51, skipping insertion in model container [2024-11-13 16:57:51,522 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:57:51" (1/1) ... [2024-11-13 16:57:51,556 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:57:51,781 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/sv-benchmarks/c/combinations/gcd_3+newton_2_4.i[1226,1239] [2024-11-13 16:57:51,838 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/sv-benchmarks/c/combinations/gcd_3+newton_2_4.i[2841,2854] [2024-11-13 16:57:51,843 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:57:51,857 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:57:51,878 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/sv-benchmarks/c/combinations/gcd_3+newton_2_4.i[1226,1239] [2024-11-13 16:57:51,902 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/sv-benchmarks/c/combinations/gcd_3+newton_2_4.i[2841,2854] [2024-11-13 16:57:51,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:57:51,934 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:57:51,934 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:51 WrapperNode [2024-11-13 16:57:51,935 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:57:51,939 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:57:51,939 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:57:51,940 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:57:51,948 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:51" (1/1) ... [2024-11-13 16:57:51,962 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:51" (1/1) ... [2024-11-13 16:57:52,000 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 85 [2024-11-13 16:57:52,001 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:57:52,001 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:57:52,002 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:57:52,002 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:57:52,013 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:51" (1/1) ... [2024-11-13 16:57:52,014 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:51" (1/1) ... [2024-11-13 16:57:52,017 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:51" (1/1) ... [2024-11-13 16:57:52,018 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:51" (1/1) ... [2024-11-13 16:57:52,029 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:51" (1/1) ... [2024-11-13 16:57:52,036 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:51" (1/1) ... [2024-11-13 16:57:52,040 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:51" (1/1) ... [2024-11-13 16:57:52,043 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:51" (1/1) ... [2024-11-13 16:57:52,049 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:57:52,050 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:57:52,053 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:57:52,054 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:57:52,055 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:57:51" (1/1) ... [2024-11-13 16:57:52,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:57:52,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:57:52,095 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:57:52,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:57:52,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:57:52,134 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-13 16:57:52,135 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-13 16:57:52,135 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-13 16:57:52,136 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-13 16:57:52,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:57:52,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:57:52,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:57:52,229 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:57:52,232 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:57:52,551 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-11-13 16:57:52,552 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:57:52,666 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:57:52,667 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:57:52,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:57:52 BoogieIcfgContainer [2024-11-13 16:57:52,668 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:57:52,669 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:57:52,669 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:57:52,682 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:57:52,683 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:57:52" (1/1) ... [2024-11-13 16:57:52,693 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:57:52,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:57:52,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2024-11-13 16:57:52,761 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-11-13 16:57:52,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 16:57:52,766 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:57:52,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:57:52,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:57:53,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 16:57:53,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:57:53,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 28 states and 36 transitions. [2024-11-13 16:57:53,669 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 36 transitions. [2024-11-13 16:57:53,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 16:57:53,670 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:57:53,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:57:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 16:57:53,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:57:53,870 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 16:57:53,877 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 16:58:47,436 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:02:33,309 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_ULTIMATE.start_main1_~x~0#1| 1))) (and (not (or (and (<= .cse0 0) (let ((.cse1 (mod (* 255 |c_ULTIMATE.start_main1_~x~0#1|) 256))) (or (and (<= 128 .cse1) (let ((.cse2 (+ .cse1 (- 256)))) (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (and (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_25|) (= 0 (mod .cse2 |v_ULTIMATE.start_gcd_test_~a#1_25|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_25| 1) 0))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (and (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_25|) (<= |v_ULTIMATE.start_gcd_test_~a#1_25| 127) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_25|) (= 0 (mod .cse2 |v_ULTIMATE.start_gcd_test_~a#1_25|)) (not (= |v_ULTIMATE.start_gcd_test_~a#1_25| 0))))))) (and (<= .cse1 127) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (and (<= |v_ULTIMATE.start_gcd_test_~a#1_25| 127) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_25|) (= (mod (mod .cse1 |v_ULTIMATE.start_gcd_test_~a#1_25|) 256) 0) (not (= |v_ULTIMATE.start_gcd_test_~a#1_25| 0)))))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (and (= (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_25|) 256) 0) (<= |v_ULTIMATE.start_gcd_test_~a#1_25| 127) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_25|) (not (= |v_ULTIMATE.start_gcd_test_~a#1_25| 0)))) (<= 0 |c_ULTIMATE.start_main1_~x~0#1|)))) (not (or (< |c_ULTIMATE.start_main1_~x~0#1| 0) (< |c_ULTIMATE.start_main1_~g~0#1| .cse0))))) is different from false [2024-11-13 17:03:05,182 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse0 (+ |c_ULTIMATE.start_main1_~x~0#1| 1))) (and (not (or (and (<= .cse0 0) (let ((.cse1 (mod (* 255 |c_ULTIMATE.start_main1_~x~0#1|) 256))) (or (and (<= 128 .cse1) (let ((.cse2 (+ .cse1 (- 256)))) (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (and (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_25|) (= 0 (mod .cse2 |v_ULTIMATE.start_gcd_test_~a#1_25|)) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_25| 1) 0))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (and (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_25|) (<= |v_ULTIMATE.start_gcd_test_~a#1_25| 127) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_25|) (= 0 (mod .cse2 |v_ULTIMATE.start_gcd_test_~a#1_25|)) (not (= |v_ULTIMATE.start_gcd_test_~a#1_25| 0))))))) (and (<= .cse1 127) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (and (<= |v_ULTIMATE.start_gcd_test_~a#1_25| 127) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_25|) (= (mod (mod .cse1 |v_ULTIMATE.start_gcd_test_~a#1_25|) 256) 0) (not (= |v_ULTIMATE.start_gcd_test_~a#1_25| 0)))))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_25| Int)) (and (= (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_25|) 256) 0) (<= |v_ULTIMATE.start_gcd_test_~a#1_25| 127) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_25|) (not (= |v_ULTIMATE.start_gcd_test_~a#1_25| 0)))) (<= 0 |c_ULTIMATE.start_main1_~x~0#1|)))) (not (or (< |c_ULTIMATE.start_main1_~x~0#1| 0) (< |c_ULTIMATE.start_main1_~g~0#1| .cse0)))))) is different from true [2024-11-13 17:03:06,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:03:06,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 31 states and 49 transitions. [2024-11-13 17:03:06,516 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 49 transitions. [2024-11-13 17:03:06,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 17:03:06,517 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:03:06,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 17:03:06,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 17:03:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:03:06,636 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-13 17:03:06,637 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:03:10,517 WARN L873 $PredicateComparison]: unable to prove that (or (and (let ((.cse0 (mod (* 255 |c_ULTIMATE.start_main1_~x~0#1|) 256))) (or (and (<= 128 .cse0) (let ((.cse1 (+ .cse0 (- 256)))) (or (exists ((|v_ULTIMATE.start_gcd_test_~a#1_27| Int)) (and (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_27|) (<= (+ |v_ULTIMATE.start_gcd_test_~a#1_27| 1) 0) (= (mod .cse1 |v_ULTIMATE.start_gcd_test_~a#1_27|) 0))) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_27| Int)) (and (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_27|) (not (= |v_ULTIMATE.start_gcd_test_~a#1_27| 0)) (<= 0 |v_ULTIMATE.start_gcd_test_~a#1_27|) (<= |v_ULTIMATE.start_gcd_test_~a#1_27| 127) (= (mod .cse1 |v_ULTIMATE.start_gcd_test_~a#1_27|) 0)))))) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_27| Int)) (and (= 0 (mod (mod .cse0 |v_ULTIMATE.start_gcd_test_~a#1_27|) 256)) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_27|) (not (= |v_ULTIMATE.start_gcd_test_~a#1_27| 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_27| 127))) (<= .cse0 127)))) (<= (+ |c_ULTIMATE.start_main1_~x~0#1| 1) 0)) (and (exists ((|v_ULTIMATE.start_gcd_test_~a#1_27| Int)) (and (= (mod (mod |c_ULTIMATE.start_main1_~x~0#1| |v_ULTIMATE.start_gcd_test_~a#1_27|) 256) 0) (<= |c_ULTIMATE.start_main1_~g~0#1| |v_ULTIMATE.start_gcd_test_~a#1_27|) (not (= |v_ULTIMATE.start_gcd_test_~a#1_27| 0)) (<= |v_ULTIMATE.start_gcd_test_~a#1_27| 127))) (<= 0 |c_ULTIMATE.start_main1_~x~0#1|))) is different from true [2024-11-13 17:03:10,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:03:39,494 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-13 17:03:39,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 101 [2024-11-13 17:03:39,496 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:281) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:912) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:786) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:374) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:310) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeChecker.negatePredicate(CodeChecker.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.splitNode(UltimateChecker.java:107) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.kojak.UltimateChecker.codeCheck(UltimateChecker.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:469) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 27 more [2024-11-13 17:03:39,502 INFO L158 Benchmark]: Toolchain (without parser) took 348006.60ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 119.1MB in the beginning and 160.7MB in the end (delta: -41.6MB). Peak memory consumption was 240.0MB. Max. memory is 16.1GB. [2024-11-13 17:03:39,503 INFO L158 Benchmark]: CDTParser took 0.56ms. Allocated memory is still 167.8MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 17:03:39,503 INFO L158 Benchmark]: CACSL2BoogieTranslator took 437.14ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 107.3MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 17:03:39,504 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.62ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 105.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 17:03:39,504 INFO L158 Benchmark]: Boogie Preprocessor took 47.53ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.8MB in the end (delta: 745.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 17:03:39,505 INFO L158 Benchmark]: RCFGBuilder took 618.03ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 86.9MB in the end (delta: 17.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 17:03:39,505 INFO L158 Benchmark]: CodeCheck took 346832.29ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 86.9MB in the beginning and 160.7MB in the end (delta: -73.7MB). Peak memory consumption was 206.4MB. Max. memory is 16.1GB. [2024-11-13 17:03:39,507 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.56ms. Allocated memory is still 167.8MB. Free memory is still 104.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 437.14ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 107.3MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.62ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 105.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.53ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.8MB in the end (delta: 745.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 618.03ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 86.9MB in the end (delta: 17.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 346832.29ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 86.9MB in the beginning and 160.7MB in the end (delta: -73.7MB). Peak memory consumption was 206.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_3+newton_2_4.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1d3494a64b97ff198f649db9990f4b24e7ade2324c824b5bf3f291e4c895b3e7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 17:03:42,104 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 17:03:42,236 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 17:03:42,272 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 17:03:42,273 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 17:03:42,273 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 17:03:42,273 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 17:03:42,274 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 17:03:42,274 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 17:03:42,274 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 17:03:42,274 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 17:03:42,274 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 17:03:42,274 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 17:03:42,275 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 17:03:42,275 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 17:03:42,275 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 17:03:42,275 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 17:03:42,275 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 17:03:42,275 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 17:03:42,275 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 17:03:42,276 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 17:03:42,276 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 17:03:42,276 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 17:03:42,276 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 17:03:42,276 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 17:03:42,276 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 17:03:42,277 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 17:03:42,277 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 17:03:42,277 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 17:03:42,277 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 17:03:42,277 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 17:03:42,277 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 17:03:42,278 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 17:03:42,278 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 17:03:42,278 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 17:03:42,278 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 17:03:42,278 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d3494a64b97ff198f649db9990f4b24e7ade2324c824b5bf3f291e4c895b3e7 [2024-11-13 17:03:42,637 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 17:03:42,647 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 17:03:42,650 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 17:03:42,652 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 17:03:42,652 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 17:03:42,654 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/combinations/gcd_3+newton_2_4.i Unable to find full path for "g++" [2024-11-13 17:03:44,591 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 17:03:44,814 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 17:03:44,814 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/sv-benchmarks/c/combinations/gcd_3+newton_2_4.i [2024-11-13 17:03:44,823 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/data/fd8aa4afe/ec01096c615c4bbda8bdfbbfd4d8f8bd/FLAG0ee0e5463 [2024-11-13 17:03:44,841 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/data/fd8aa4afe/ec01096c615c4bbda8bdfbbfd4d8f8bd [2024-11-13 17:03:44,843 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 17:03:44,845 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 17:03:44,846 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 17:03:44,846 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 17:03:44,851 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 17:03:44,852 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:03:44" (1/1) ... [2024-11-13 17:03:44,853 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42c45a7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:03:44, skipping insertion in model container [2024-11-13 17:03:44,853 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:03:44" (1/1) ... [2024-11-13 17:03:44,870 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 17:03:45,084 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/sv-benchmarks/c/combinations/gcd_3+newton_2_4.i[1226,1239] [2024-11-13 17:03:45,137 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/sv-benchmarks/c/combinations/gcd_3+newton_2_4.i[2841,2854] [2024-11-13 17:03:45,138 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 17:03:45,162 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 17:03:45,181 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/sv-benchmarks/c/combinations/gcd_3+newton_2_4.i[1226,1239] [2024-11-13 17:03:45,205 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/sv-benchmarks/c/combinations/gcd_3+newton_2_4.i[2841,2854] [2024-11-13 17:03:45,210 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 17:03:45,239 INFO L204 MainTranslator]: Completed translation [2024-11-13 17:03:45,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:03:45 WrapperNode [2024-11-13 17:03:45,240 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 17:03:45,242 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 17:03:45,242 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 17:03:45,242 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 17:03:45,254 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:03:45" (1/1) ... [2024-11-13 17:03:45,272 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:03:45" (1/1) ... [2024-11-13 17:03:45,307 INFO L138 Inliner]: procedures = 28, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 80 [2024-11-13 17:03:45,308 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 17:03:45,308 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 17:03:45,308 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 17:03:45,309 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 17:03:45,318 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:03:45" (1/1) ... [2024-11-13 17:03:45,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:03:45" (1/1) ... [2024-11-13 17:03:45,324 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:03:45" (1/1) ... [2024-11-13 17:03:45,324 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:03:45" (1/1) ... [2024-11-13 17:03:45,337 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:03:45" (1/1) ... [2024-11-13 17:03:45,341 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:03:45" (1/1) ... [2024-11-13 17:03:45,343 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:03:45" (1/1) ... [2024-11-13 17:03:45,344 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:03:45" (1/1) ... [2024-11-13 17:03:45,347 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 17:03:45,348 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 17:03:45,348 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 17:03:45,348 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 17:03:45,349 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:03:45" (1/1) ... [2024-11-13 17:03:45,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 17:03:45,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 17:03:45,388 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 17:03:45,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 17:03:45,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 17:03:45,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 17:03:45,424 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-11-13 17:03:45,424 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-11-13 17:03:45,424 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-11-13 17:03:45,424 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-11-13 17:03:45,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 17:03:45,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 17:03:45,506 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 17:03:45,508 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 17:03:58,779 INFO L? ?]: Removed 26 outVars from TransFormulas that were not future-live. [2024-11-13 17:03:58,780 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 17:03:58,848 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 17:03:58,848 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 17:03:58,849 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:03:58 BoogieIcfgContainer [2024-11-13 17:03:58,849 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 17:03:58,850 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 17:03:58,850 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 17:03:58,862 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 17:03:58,862 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:03:58" (1/1) ... [2024-11-13 17:03:58,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 17:03:58,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:03:58,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2024-11-13 17:03:58,942 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-11-13 17:03:58,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 17:03:58,947 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:03:58,949 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:03:58,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:03:58,952 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:03:58,956 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 17:03:59,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:03:59,069 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:03:59,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:03:59,126 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 17:03:59,130 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:04:00,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:04:00,005 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-13 17:04:00,007 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-13 17:04:00,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:04:00,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 28 states and 38 transitions. [2024-11-13 17:04:00,875 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 38 transitions. [2024-11-13 17:04:00,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 17:04:00,876 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:04:00,876 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:04:00,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:04:00,879 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:04:00,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 17:04:01,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:04:01,161 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:04:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:04:01,227 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 17:04:01,229 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:04:07,862 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:04:07,866 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 17:04:24,172 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.17s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 17:04:33,112 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.84s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 17:04:36,956 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.84s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 17:04:37,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:04:37,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 30 states and 45 transitions. [2024-11-13 17:04:37,373 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 45 transitions. [2024-11-13 17:04:37,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 17:04:37,375 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:04:37,375 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:04:37,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:04:37,380 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:04:37,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 17:04:37,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:04:37,783 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:04:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:04:38,878 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 17:04:38,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:05:05,370 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:05:05,374 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 17:05:38,471 WARN L286 SmtUtils]: Spent 13.98s on a formula simplification. DAG size of input: 50 DAG size of output: 48 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 17:05:54,708 WARN L286 SmtUtils]: Spent 6.21s on a formula simplification that was a NOOP. DAG size: 52 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 17:06:18,890 WARN L286 SmtUtils]: Spent 6.90s on a formula simplification that was a NOOP. DAG size: 53 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 17:06:28,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 17:06:39,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.39s for a HTC check with result UNKNOWN. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 17:06:46,305 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.68s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 17:06:51,297 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.92s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 17:06:54,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.91s for a HTC check with result INVALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 17:07:05,728 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse4 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (let ((.cse1 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|)) (.cse0 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse4))))) (and (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse1))))) (let ((.cse2 (bvslt .cse4 (_ bv0 32)))) (or (and (not .cse2) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| (_ BitVec 8))) (let ((.cse3 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (not (= (_ bv0 32) .cse3)) (= ((_ extract 7 0) (bvsrem .cse4 .cse3)) |c_ULTIMATE.start_main1_~g~0#1|) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse3 .cse1))) (_ bv0 32)))))) (and .cse2 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| (_ BitVec 8))) (let ((.cse5 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (not (= (_ bv0 32) .cse5)) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse5 .cse1))) (_ bv0 32)) (= ((_ extract 7 0) (bvsrem .cse0 .cse5)) |c_ULTIMATE.start_main1_~g~0#1|)))))))))) is different from false [2024-11-13 17:08:05,244 WARN L286 SmtUtils]: Spent 20.87s on a formula simplification. DAG size of input: 38 DAG size of output: 13 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 17:08:15,299 WARN L873 $PredicateComparison]: unable to prove that (not (let ((.cse4 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~x~0#1|))) (let ((.cse1 ((_ sign_extend 24) |c_ULTIMATE.start_main1_~g~0#1|)) (.cse0 ((_ sign_extend 24) ((_ extract 7 0) (bvneg .cse4))))) (and (not (= (_ bv0 32) ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse0 .cse1))))) (let ((.cse2 (bvslt .cse4 (_ bv0 32)))) (or (and (not .cse2) (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| (_ BitVec 8))) (let ((.cse3 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (not (= (_ bv0 32) .cse3)) (= ((_ extract 7 0) (bvsrem .cse4 .cse3)) |c_ULTIMATE.start_main1_~g~0#1|) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse3 .cse1))) (_ bv0 32)))))) (and .cse2 (exists ((|v_ULTIMATE.start_gcd_test_~a#1_28| (_ BitVec 8))) (let ((.cse5 ((_ sign_extend 24) |v_ULTIMATE.start_gcd_test_~a#1_28|))) (and (not (= (_ bv0 32) .cse5)) (= ((_ sign_extend 24) ((_ extract 7 0) (bvsrem .cse5 .cse1))) (_ bv0 32)) (= ((_ extract 7 0) (bvsrem .cse0 .cse5)) |c_ULTIMATE.start_main1_~g~0#1|))))))))))) is different from true [2024-11-13 17:08:15,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:08:15,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 32 states and 56 transitions. [2024-11-13 17:08:15,433 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 56 transitions. [2024-11-13 17:08:15,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 17:08:15,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:08:15,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:08:15,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:08:15,437 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:08:15,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 17:08:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:08:15,777 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:08:16,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:08:16,930 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 17:08:16,931 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:08:24,653 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:08:24,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-13 17:08:24,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:08:24,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 32 states and 56 transitions. [2024-11-13 17:08:24,688 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 56 transitions. [2024-11-13 17:08:24,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 17:08:24,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:08:24,688 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:08:24,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:08:24,691 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:08:24,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 17:08:25,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:08:25,237 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:08:25,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:08:25,747 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 17:08:25,749 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:09:04,165 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:09:04,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 17:09:21,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:09:21,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 61 transitions. [2024-11-13 17:09:21,031 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2024-11-13 17:09:21,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 17:09:21,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:09:21,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:09:21,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:09:21,034 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:09:21,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 17:09:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:09:21,410 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:09:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:09:22,125 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 17:09:22,126 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:09:30,256 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:09:30,263 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-13 17:09:30,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:09:30,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 34 states and 66 transitions. [2024-11-13 17:09:30,302 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 66 transitions. [2024-11-13 17:09:30,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 17:09:30,304 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:09:30,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:09:30,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:09:30,309 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:09:30,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 17:09:30,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:09:30,727 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:09:31,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:09:31,944 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 17:09:31,945 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:09:41,422 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:09:41,426 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 17:09:41,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:09:41,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 35 states and 71 transitions. [2024-11-13 17:09:41,447 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 71 transitions. [2024-11-13 17:09:41,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 17:09:41,448 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:09:41,448 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:09:41,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:09:41,455 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:09:41,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 17:09:41,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:09:41,857 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:09:42,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:09:42,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 17:09:42,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:09:52,434 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:09:52,439 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 17:09:52,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:09:52,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 35 states and 71 transitions. [2024-11-13 17:09:52,455 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 71 transitions. [2024-11-13 17:09:52,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 17:09:52,455 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:09:52,459 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:09:52,459 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:09:52,461 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:09:52,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 17:09:52,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:09:52,855 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:09:53,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:09:53,457 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 17:09:53,458 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:10:02,607 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:10:02,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Forceful destruction successful, exit code 0 [2024-11-13 17:10:02,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:10:02,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 35 states and 71 transitions. [2024-11-13 17:10:02,627 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 71 transitions. [2024-11-13 17:10:02,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 17:10:02,628 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:10:02,628 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:10:02,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:10:02,631 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:10:02,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 17:10:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:10:03,064 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:10:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:10:03,731 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 17:10:03,733 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:10:12,697 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:10:12,701 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-13 17:10:12,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:10:12,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 35 states and 71 transitions. [2024-11-13 17:10:12,722 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 71 transitions. [2024-11-13 17:10:12,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 17:10:12,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:10:12,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:10:12,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:10:12,726 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:10:12,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 17:10:13,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:10:13,189 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:10:13,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:10:13,871 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-13 17:10:13,872 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:10:51,643 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:10:51,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Forceful destruction successful, exit code 0 [2024-11-13 17:10:51,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:10:51,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 35 states and 71 transitions. [2024-11-13 17:10:51,849 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 71 transitions. [2024-11-13 17:10:51,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 17:10:51,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:10:51,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:10:51,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:10:51,854 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:10:51,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 17:10:52,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:10:52,233 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:10:53,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:10:53,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 17:10:53,418 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:11:01,718 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:11:01,722 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 17:11:01,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:11:01,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 35 states and 71 transitions. [2024-11-13 17:11:01,737 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 71 transitions. [2024-11-13 17:11:01,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 17:11:01,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:11:01,738 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:11:01,738 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:11:01,744 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:11:01,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 17:11:02,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:11:02,129 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:11:03,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:11:03,017 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 17:11:03,018 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:11:12,111 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:11:12,118 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-13 17:11:12,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:11:12,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 35 states and 71 transitions. [2024-11-13 17:11:12,133 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 71 transitions. [2024-11-13 17:11:12,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 17:11:12,134 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:11:12,134 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:11:12,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:11:12,137 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:11:12,140 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 17:11:12,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:11:12,598 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:11:14,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:11:14,493 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 17:11:14,495 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:11:23,796 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:11:23,801 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-11-13 17:11:23,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:11:23,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 35 states and 71 transitions. [2024-11-13 17:11:23,816 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 71 transitions. [2024-11-13 17:11:23,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 17:11:23,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:11:23,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:11:23,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:11:23,820 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:11:23,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-13 17:11:24,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:11:24,252 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:11:25,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:11:25,546 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 17:11:25,547 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:11:37,281 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:11:37,286 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-11-13 17:11:37,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:11:37,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-11-13 17:11:37,301 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-11-13 17:11:37,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 17:11:37,301 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:11:37,301 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:11:37,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:11:37,305 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:11:37,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-13 17:11:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:11:37,694 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:11:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:11:38,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 17:11:38,409 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:11:48,009 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:11:48,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-11-13 17:11:48,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:11:48,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-11-13 17:11:48,032 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-11-13 17:11:48,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 17:11:48,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:11:48,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:11:48,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:11:48,034 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:11:48,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-13 17:11:48,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:11:48,524 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:11:50,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:11:50,406 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 17:11:50,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:12:02,032 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:12:02,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-11-13 17:12:02,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:12:02,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-11-13 17:12:02,056 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-11-13 17:12:02,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 17:12:02,056 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:12:02,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:12:02,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:12:02,059 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:12:02,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-13 17:12:02,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:12:02,574 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:12:03,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:12:03,645 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 17:12:03,647 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:12:13,372 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:12:13,377 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-13 17:12:13,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:12:13,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-11-13 17:12:13,393 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-11-13 17:12:13,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 17:12:13,394 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:12:13,394 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:12:13,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:12:13,398 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:12:13,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-13 17:12:13,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:12:13,834 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:12:14,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:12:14,874 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 17:12:14,875 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:12:24,745 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:12:24,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-13 17:12:24,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:12:24,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 36 states and 76 transitions. [2024-11-13 17:12:24,762 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 76 transitions. [2024-11-13 17:12:24,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 17:12:24,763 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:12:24,763 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:12:24,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:12:24,765 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:12:24,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-13 17:12:25,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:12:25,147 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:12:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:12:25,869 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 17:12:25,871 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:12:35,850 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:12:35,857 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-13 17:12:35,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:12:35,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 37 states and 81 transitions. [2024-11-13 17:12:35,873 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 81 transitions. [2024-11-13 17:12:35,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 17:12:35,873 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:12:35,874 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:12:35,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:12:35,877 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:12:35,879 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-13 17:12:36,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:12:36,316 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:12:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:12:37,236 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 17:12:37,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:12:47,472 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:12:47,477 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-13 17:12:47,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:12:47,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 37 states and 81 transitions. [2024-11-13 17:12:47,490 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 81 transitions. [2024-11-13 17:12:47,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 17:12:47,490 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:12:47,491 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:12:47,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:12:47,493 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:12:47,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-13 17:12:47,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:12:47,908 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 17:12:49,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:12:49,281 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-13 17:12:49,283 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 17:12:57,925 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 17:12:57,929 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-11-13 17:12:57,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 17:12:57,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 37 states and 81 transitions. [2024-11-13 17:12:57,945 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 81 transitions. [2024-11-13 17:12:57,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 17:12:57,945 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 17:12:57,945 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 17:12:57,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 17:12:57,948 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 17:12:57,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_142ebdcb-5012-4ad1-a168-ade1ea214983/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-13 17:12:58,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 17:12:58,368 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported